Dell Battery 3Cell 57Wh

Dell CTJJ6 is a rechargeable lithium-ion replacement battery for compatible notebooks, intended to power the computer when it is away from an electrical outlet. Its three-cell design has an energy capacity of 57 Wh, a stated charge capacity of 4878 mAh and an output voltage of 11.4 V. Dell lists its size as proprietary, so the exact part number and supported notebook models help identify the replacement.

Compatibility is specified for Dell Latitude 7340, 7350, 7440, 7450, 7640 and 7650 systems. This model list defines which notebooks the battery is intended for; the capacity and voltage describe the battery itself. CTJJ6 is a replacement option for one of these listed Latitude notebooks, providing stored energy for portable use with the specified lithium-ion pack.